s:同行显示
<s:form?? action="Login">
??????? <table?? align="center">
????????? <s:textfield?? name="username"?? label="名?? 称"/>
????????? <s:textfield?? name="password"?? label="密?? 码"/>
?????????? <tr>
??????????????????? <td colspan="2" align="center">
??????????????????????? <s:submit?? value="login"? theme="simple"? /> <s:reset?? value="reset"?? theme = "simple"/>
??????????????????? </td>
??????????????? </tr>
??????? </table>
??? </s:form>
